<?php
/*~ class.phpmailer.php
.---------------------------------------------------------------------------.
|  Software: PHPMailer - PHP email class									|
|   Version: 2.0.4														  |
|   Contact: via sourceforge.net support pages (also www.codeworxtech.com)  |
|	  Info: http://phpmailer.sourceforge.net							   |
|   Support: http://sourceforge.net/projects/phpmailer/					 |
| ------------------------------------------------------------------------- |
|	Author: Andy Prevost (project admininistrator)						 |
|	Author: Brent R. Matzelle (original founder)						   |
| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved.			   |
| Copyright (c) 2001-2003, Brent R. Matzelle								|
| ------------------------------------------------------------------------- |
|   License: Distributed under the Lesser General Public License (LGPL)	 |
|			http://www.gnu.org/copyleft/lesser.html						|
| This program is distributed in the hope that it will be useful - WITHOUT  |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or	 |
| FITNESS FOR A PARTICULAR PURPOSE.										 |
| ------------------------------------------------------------------------- |
| We offer a number of paid services (www.codeworxtech.com):				|
| - Web Hosting on highly optimized fast and secure servers				 |
| - Technology Consulting												   |
| - Oursourcing (highly qualified programmers and graphic designers)		|
'---------------------------------------------------------------------------'

/**
 * PHPMailer - PHP email transport class
 * @package PHPMailer
 * @author Andy Prevost
 * @copyright 2004 - 2009 Andy Prevost
 */

class PHPMailer {

  /////////////////////////////////////////////////
  // PROPERTIES, PUBLIC
  /////////////////////////////////////////////////

  /**
   * Email priority (1 = High, 3 = Normal, 5 = low).
   * @var int
   */
  var $Priority		  = 3;

  /**
   * Sets the CharSet of the message.
   * @var string
   */
  var $CharSet		   = 'utf-8';

  /**
   * Sets the Content-type of the message.
   * @var string
   */
  var $ContentType		= 'text/plain';

  /**
   * Sets the Encoding of the message. Options for this are "8bit",
   * "7bit", "binary", "base64", and "quoted-printable".
   * @var string
   */
  var $Encoding		  = '8bit';

  /**
   * Holds the most recent mailer error message.
   * @var string
   */
  var $ErrorInfo		 = '';

  /**
   * Sets the From email address for the message.
   * @var string
   */
  var $From			  = 'root@localhost';

  /**
   * Sets the From name of the message.
   * @var string
   */
  var $FromName		  = 'Root User';

  /**
   * Sets the Sender email (Return-Path) of the message.  If not empty,
   * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
   * @var string
   */
  var $Sender			= '';

  /**
   * Sets the Subject of the message.
   * @var string
   */
  var $Subject		   = '';

  /**
   * Sets the Body of the message.  This can be either an HTML or text body.
   * If HTML then run IsHTML(true).
   * @var string
   */
  var $Body			  = '';

  /**
   * Sets the text-only body of the message.  This automatically sets the
   * email to multipart/alternative.  This body can be read by mail
   * clients that do not have HTML email capability such as mutt. Clients
   * that can read HTML will view the normal Body.
   * @var string
   */
  var $AltBody		   = '';

  /**
   * Sets word wrapping on the body of the message to a given number of
   * characters.
   * @var int
   */
  var $WordWrap		  = 0;

  /**
   * Method to send mail: ("mail", "sendmail", or "smtp").
   * @var string
   */
  var $Mailer			= 'mail';

  /**
   * Sets the path of the sendmail program.
   * @var string
   */
  var $Sendmail		  = '/usr/sbin/sendmail';

  /**
   * Path to PHPMailer plugins.  This is now only useful if the SMTP class
   * is in a different directory than the PHP include path.
   * @var string
   */
  var $PluginDir		 = '';

  /**
   * Holds PHPMailer version.
   * @var string
   */
  var $Version		   = "2.0.4";

  /**
   * Sets the email address that a reading confirmation will be sent.
   * @var string
   */
  var $ConfirmReadingTo  = '';

  /**
   * Sets the hostname to use in Message-Id and Received headers
   * and as default HELO string. If empty, the value returned
   * by SERVER_NAME is used or 'localhost.localdomain'.
   * @var string
   */
  var $Hostname		  = '';

  /**
   * Sets the message ID to be used in the Message-Id header.
   * If empty, a unique id will be generated.
   * @var string
   */
  var $MessageID		 = '';

  /////////////////////////////////////////////////
  // PROPERTIES FOR SMTP
  /////////////////////////////////////////////////

  /**
   * Sets the SMTP hosts.  All hosts must be separated by a
   * semicolon.  You can also specify a different port
   * for each host by using this format: [hostname:port]
   * (e.g. "smtp1.example.com:25;smtp2.example.com").
   * Hosts will be tried in order.
   * @var string
   */
  var $Host		= 'localhost';

  /**
   * Sets the default SMTP server port.
   * @var int
   */
  var $Port		= 25;

  /**
   * Sets the SMTP HELO of the message (Default is $Hostname).
   * @var string
   */
  var $Helo		= '';

  /**
   * Sets connection prefix.
   * Options are "", "ssl" or "tls"
   * @var string
   */
  var $SMTPSecure = "";

  /**
   * Sets SMTP authentication. Utilizes the Username and Password variables.
   * @var bool
   */
  var $SMTPAuth	 = false;

  /**
   * Sets SMTP username.
   * @var string
   */
  var $Username	 = '';

  /**
   * Sets SMTP password.
   * @var string
   */
  var $Password	 = '';

  /**
   * Sets the SMTP server timeout in seconds. This function will not
   * work with the win32 version.
   * @var int
   */
  var $Timeout	  = 10;

  /**
   * Sets SMTP class debugging on or off.
   * @var bool
   */
  var $SMTPDebug	= false;

  /**
   * Prevents the SMTP connection from being closed after each mail
   * sending.  If this is set to true then to close the connection
   * requires an explicit call to SmtpClose().
   * @var bool
   */
  var $SMTPKeepAlive = false;

  /**
   * Provides the ability to have the TO field process individual
   * emails, instead of sending to entire TO addresses
   * @var bool
   */
  var $SingleTo = false;

  /////////////////////////////////////////////////
  // PROPERTIES, PRIVATE
  /////////////////////////////////////////////////

  var $smtp			= NULL;
  var $to			  = array();
  var $cc			  = array();
  var $bcc			 = array();
  var $ReplyTo		 = array();
  var $attachment	  = array();
  var $CustomHeader	= array();
  var $message_type	= '';
  var $boundary		= array();
  var $language		= array();
  var $error_count	 = 0;
  var $LE			  = "\n";
  var $sign_cert_file  = "";
  var $sign_key_file   = "";
  var $sign_key_pass   = "";

  /////////////////////////////////////////////////
  // METHODS, VARIABLES
  /////////////////////////////////////////////////

  /**
   * Sets message type to HTML.
   * @param bool $bool
   * @return void
   */
  function IsHTML($bool) {
	if($bool == true) {
	  $this->ContentType = 'text/html';
	} else {
	  $this->ContentType = 'text/plain';
	}
  }

  /**
   * Sets Mailer to send message using SMTP.
   * @return void
   */
  function IsSMTP() {
	$this->Mailer = 'smtp';
  }

  /**
   * Sets Mailer to send message using PHP mail() function.
   * @return void
   */
  function IsMail() {
	$this->Mailer = 'mail';
  }

  /**
   * Sets Mailer to send message using the $Sendmail program.
   * @return void
   */
  function IsSendmail() {
	$this->Mailer = 'sendmail';
  }

  /**
   * Sets Mailer to send message using the qmail MTA.
   * @return void
   */
  function IsQmail() {
	$this->Sendmail = '/var/qmail/bin/sendmail';
	$this->Mailer = 'sendmail';
  }

  /////////////////////////////////////////////////
  // METHODS, RECIPIENTS
  /////////////////////////////////////////////////

  /**
   * Adds a "To" address.
   * @param string $address
   * @param string $name
   * @return void
   */
  function AddAddress($address, $name = '') {
	$cur = count($this->to);
	$this->to[$cur][0] = trim($address);
	$this->to[$cur][1] = $name;
  }

  /**
   * Adds a "Cc" address. Note: this function works
   * with the SMTP mailer on win32, not with the "mail"
   * mailer.
   * @param string $address
   * @param string $name
   * @return void
   */
  function AddCC($address, $name = '') {
	$cur = count($this->cc);
	$this->cc[$cur][0] = trim($address);
	$this->cc[$cur][1] = $name;
  }

  /**
   * Adds a "Bcc" address. Note: this function works
   * with the SMTP mailer on win32, not with the "mail"
   * mailer.
   * @param string $address
   * @param string $name
   * @return void
   */
  function AddBCC($address, $name = '') {
	$cur = count($this->bcc);
	$this->bcc[$cur][0] = trim($address);
	$this->bcc[$cur][1] = $name;
  }

  /**
   * Adds a "Reply-To" address.
   * @param string $address
   * @param string $name
   * @return void
   */
  function AddReplyTo($address, $name = '') {
	$cur = count($this->ReplyTo);
	$this->ReplyTo[$cur][0] = trim($address);
	$this->ReplyTo[$cur][1] = $name;
  }

  /////////////////////////////////////////////////
  // METHODS, MAIL SENDING
  /////////////////////////////////////////////////

  /**
   * Creates message and assigns Mailer. If the message is
   * not sent successfully then it returns false.  Use the ErrorInfo
   * variable to view description of the error.
   * @return bool
   */
  function Send() {
	$header = '';
	$body = '';
	$result = true;

	if((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
	  $this->SetError($this->Lang('provide_address'));
	  return false;
	}

	/* Set whether the message is multipart/alternative */
	if(!empty($this->AltBody)) {
	  $this->ContentType = 'multipart/alternative';
	}

	$this->error_count = 0; // reset errors
	$this->SetMessageType();
	$header .= $this->CreateHeader();
	$body = $this->CreateBody();

	if($body == '') {
	  return false;
	}

	/* Choose the mailer */
	switch($this->Mailer) {
	  case 'sendmail':
		$result = $this->SendmailSend($header, $body);
		break;
	  case 'smtp':
		$result = $this->SmtpSend($header, $body);
		break;
	  case 'mail':
		$result = $this->MailSend($header, $body);
		break;
	  default:
		$result = $this->MailSend($header, $body);
		break;
		//$this->SetError($this->Mailer . $this->Lang('mailer_not_supported'));
		//$result = false;
		//break;
	}

	return $result;
  }

  /**
   * Sends mail using the $Sendmail program.
   * @access private
   * @return bool
   */
  function SendmailSend($header, $body) {
	if ($this->Sender != '') {
	  $sendmail = sprintf("%s -oi -f %s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
	} else {
	  $sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail));
	}

	if(!@$mail = popen($sendmail, 'w')) {
	  $this->SetError($this->Lang('execute') . $this->Sendmail);
	  return false;
	}

	fputs($mail, $header);
	fputs($mail, $body);

	$result = pclose($mail);
	if (version_compare(phpversion(), '4.2.3') == -1) {
	  $result = $result >> 8 & 0xFF;
	}
	if($result != 0) {
	  $this->SetError($this->Lang('execute') . $this->Sendmail);
	  return false;
	}
	return true;
  }

  /**
   * Sends mail using the PHP mail() function.
   * @access private
   * @return bool
   */
  function MailSend($header, $body) {

	$to = '';
	for($i = 0; $i < count($this->to); $i++) {
	  if($i != 0) { $to .= ', '; }
	  $to .= $this->AddrFormat($this->to[$i]);
	}

	$toArr = split(',', $to);

	$params = sprintf("-oi -f %s", $this->Sender);
	if ($this->Sender != '' && strlen(ini_get('safe_mode')) < 1) {
	  $old_from = ini_get('sendmail_from');
	  ini_set('sendmail_from', $this->Sender);
	  if ($this->SingleTo === true && count($toArr) > 1) {
		foreach ($toArr as $key => $val) {
		  $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
		}
	  } else {
		$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
	  }
	} else {
	  if ($this->SingleTo === true && count($toArr) > 1) {
		foreach ($toArr as $key => $val) {
		  $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
		}
	  } else {
		$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header);
	  }
	}

	if (isset($old_from)) {
	  ini_set('sendmail_from', $old_from);
	}

	if(!$rt) {
	  $this->SetError($this->Lang('instantiate'));
	  return false;
	}

	return true;
  }

  /**
   * Sends mail via SMTP using PhpSMTP (Author:
   * Chris Ryan).  Returns bool.  Returns false if there is a
   * bad MAIL FROM, RCPT, or DATA input.
   * @access private
   * @return bool
   */
  function SmtpSend($header, $body) {
	include_once($this->PluginDir . 'smtp.php');
	$error = '';
	$bad_rcpt = array();

	if(!$this->SmtpConnect()) {
	  return false;
	}

	$smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
	if(!$this->smtp->Mail($smtp_from)) {
	  $error = $this->Lang('from_failed') . $smtp_from;
	  $this->SetError($error);
	  $this->smtp->Reset();
	  return false;
	}

	/* Attempt to send attach all recipients */
	for($i = 0; $i < count($this->to); $i++) {
	  if(!$this->smtp->Recipient($this->to[$i][0])) {
		$bad_rcpt[] = $this->to[$i][0];
	  }
	}
	for($i = 0; $i < count($this->cc); $i++) {
	  if(!$this->smtp->Recipient($this->cc[$i][0])) {
		$bad_rcpt[] = $this->cc[$i][0];
	  }
	}
	for($i = 0; $i < count($this->bcc); $i++) {
	  if(!$this->smtp->Recipient($this->bcc[$i][0])) {
		$bad_rcpt[] = $this->bcc[$i][0];
	  }
	}

	if(count($bad_rcpt) > 0) { // Create error message
	  for($i = 0; $i < count($bad_rcpt); $i++) {
		if($i != 0) {
		  $error .= ', ';
		}
		$error .= $bad_rcpt[$i];
	  }
	  $error = $this->Lang('recipients_failed') . $error;
	  $this->SetError($error);
	  $this->smtp->Reset();
	  return false;
	}

	if(!$this->smtp->Data($header . $body)) {
	  $this->SetError($this->Lang('data_not_accepted'));
	  $this->smtp->Reset();
	  return false;
	}
	if($this->SMTPKeepAlive == true) {
	  $this->smtp->Reset();
	} else {
	  $this->SmtpClose();
	}

	return true;
  }

  /**
   * Initiates a connection to an SMTP server.  Returns false if the
   * operation failed.
   * @access private
   * @return bool
   */
  function SmtpConnect() {
	if($this->smtp == NULL) {
	  $this->smtp = new SMTP();
	}

	$this->smtp->do_debug = $this->SMTPDebug;
	$hosts = explode(';', $this->Host);
	$index = 0;
	$connection = ($this->smtp->Connected());

	/* Retry while there is no connection */
	while($index < count($hosts) && $connection == false) {
	  $hostinfo = array();
	  if(preg_match('#^(.+):([0-9]+)$#i', $hosts[$index], $hostinfo)) {
		$host = $hostinfo[1];
		$port = $hostinfo[2];
	  } else {
		$host = $hosts[$index];
		$port = $this->Port;
	  }

	  if($this->smtp->Connect(((!empty($this->SMTPSecure))?$this->SMTPSecure.'://':'').$host, $port, $this->Timeout)) {
		if ($this->Helo != '') {
		  $this->smtp->Hello($this->Helo);
		} else {
		  $this->smtp->Hello($this->ServerHostname());
		}

		$connection = true;
		if($this->SMTPAuth) {
		  if(!$this->smtp->Authenticate($this->Username, $this->Password)) {
			$this->SetError($this->Lang('authenticate'));
			$this->smtp->Reset();
			$connection = false;
		  }
		}
	  }
	  $index++;
	}
	if(!$connection) {
	  $this->SetError($this->Lang('connect_host'));
	}

	return $connection;
  }

  /**
   * Closes the active SMTP session if one exists.
   * @return void
   */
  function SmtpClose() {
	if($this->smtp != NULL) {
	  if($this->smtp->Connected()) {
		$this->smtp->Quit();
		$this->smtp->Close();
	  }
	}
  }

  /**
   * Sets the language for all class error messages.  Returns false
   * if it cannot load the language file.  The default language type
   * is English.
   * @param string $lang_type Type of language (e.g. Portuguese: "br")
   * @param string $lang_path Path to the language file directory
   * @access public
   * @return bool
   */
  function SetLanguage($lang_type, $lang_path = 'language/') {
	if(file_exists($lang_path.'phpmailer.lang-'.$lang_type.'.php')) {
	  include($lang_path.'phpmailer.lang-'.$lang_type.'.php');
	} elseif (file_exists($lang_path.'phpmailer.lang-en.php')) {
	  include($lang_path.'phpmailer.lang-en.php');
	} else {
	  $PHPMAILER_LANG = array();
	  $PHPMAILER_LANG["provide_address"]	  = 'You must provide at least one ' .
	  $PHPMAILER_LANG["mailer_not_supported"] = ' mailer is not supported.';
	  $PHPMAILER_LANG["execute"]			  = 'Could not execute: ';
	  $PHPMAILER_LANG["instantiate"]		  = 'Could not instantiate mail function.';
	  $PHPMAILER_LANG["authenticate"]		 = 'SMTP Error: Could not authenticate.';
	  $PHPMAILER_LANG["from_failed"]		  = 'The following From address failed: ';
	  $PHPMAILER_LANG["recipients_failed"]	= 'SMTP Error: The following ' .
	  $PHPMAILER_LANG["data_not_accepted"]	= 'SMTP Error: Data not accepted.';
	  $PHPMAILER_LANG["connect_host"]		 = 'SMTP Error: Could not connect to SMTP host.';
	  $PHPMAILER_LANG["file_access"]		  = 'Could not access file: ';
	  $PHPMAILER_LANG["file_open"]			= 'File Error: Could not open file: ';
	  $PHPMAILER_LANG["encoding"]			 = 'Unknown encoding: ';
	  $PHPMAILER_LANG["signing"]			  = 'Signing Error: ';
	}
	$this->language = $PHPMAILER_LANG;

	return true;
  }

  /////////////////////////////////////////////////
  // METHODS, MESSAGE CREATION
  /////////////////////////////////////////////////

  /**
   * Creates recipient headers.
   * @access private
   * @return string
   */
  function AddrAppend($type, $addr) {
	$addr_str = $type . ': ';
	$addr_str .= $this->AddrFormat($addr[0]);
	if(count($addr) > 1) {
	  for($i = 1; $i < count($addr); $i++) {
		$addr_str .= ', ' . $this->AddrFormat($addr[$i]);
	  }
	}
	$addr_str .= $this->LE;

	return $addr_str;
  }

  /**
   * Formats an address correctly.
   * @access private
   * @return string
   */
  function AddrFormat($addr) {
	if(empty($addr[1])) {
	  $formatted = $this->SecureHeader($addr[0]);
	} else {
	  $formatted = $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";
	}

	return $formatted;
  }

  /**
   * Wraps message for use with mailers that do not
   * automatically perform wrapping and for quoted-printable.
   * Original written by philippe.
   * @access private
   * @return string
   */
  function WrapText($message, $length, $qp_mode = false) {
	$soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
	// If utf-8 encoding is used, we will need to make sure we don't
	// split multibyte characters when we wrap
	$is_utf8 = (strtolower($this->CharSet) == "utf-8");

	$message = $this->FixEOL($message);
	if (substr($message, -1) == $this->LE) {
	  $message = substr($message, 0, -1);
	}

	$line = explode($this->LE, $message);
	$message = '';
	for ($i=0 ;$i < count($line); $i++) {
	  $line_part = explode(' ', $line[$i]);
	  $buf = '';
	  for ($e = 0; $e<count($line_part); $e++) {
		$word = $line_part[$e];
		if ($qp_mode and (strlen($word) > $length)) {
		  $space_left = $length - strlen($buf) - 1;
		  if ($e != 0) {
			if ($space_left > 20) {
			  $len = $space_left;
			  if ($is_utf8) {
				$len = $this->UTF8CharBoundary($word, $len);
			  } elseif (substr($word, $len - 1, 1) == "=") {
				$len--;
			  } elseif (substr($word, $len - 2, 1) == "=") {
				$len -= 2;
			  }
			  $part = substr($word, 0, $len);
			  $word = substr($word, $len);
			  $buf .= ' ' . $part;
			  $message .= $buf . sprintf("=%s", $this->LE);
			} else {
			  $message .= $buf . $soft_break;
			}
			$buf = '';
		  }
		  while (strlen($word) > 0) {
			$len = $length;
			if ($is_utf8) {
			  $len = $this->UTF8CharBoundary($word, $len);
			} elseif (substr($word, $len - 1, 1) == "=") {
			  $len--;
			} elseif (substr($word, $len - 2, 1) == "=") {
			  $len -= 2;
			}
			$part = substr($word, 0, $len);
			$word = substr($word, $len);

			if (strlen($word) > 0) {
			  $message .= $part . sprintf("=%s", $this->LE);
			} else {
			  $buf = $part;
			}
		  }
		} else {
		  $buf_o = $buf;
		  $buf .= ($e == 0) ? $word : (' ' . $word);

		  if (strlen($buf) > $length and $buf_o != '') {
			$message .= $buf_o . $soft_break;
			$buf = $word;
		  }
		}
	  }
	  $message .= $buf . $this->LE;
	}

	return $message;
  }

  /**
   * Finds last character boundary prior to maxLength in a utf-8
   * quoted (printable) encoded string.
   * Original written by Colin Brown.
   * @access private
   * @param string $encodedText utf-8 QP text
   * @param int	$maxLength   find last character boundary prior to this length
   * @return int
   */
  function UTF8CharBoundary($encodedText, $maxLength) {
	$foundSplitPos = false;
	$lookBack = 3;
	while (!$foundSplitPos) {
	  $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
	  $encodedCharPos = strpos($lastChunk, "=");
	  if ($encodedCharPos !== false) {
		// Found start of encoded character byte within $lookBack block.
		// Check the encoded byte value (the 2 chars after the '=')
		$hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
		$dec = hexdec($hex);
		if ($dec < 128) { // Single byte character.
		  // If the encoded char was found at pos 0, it will fit
		  // otherwise reduce maxLength to start of the encoded char
		  $maxLength = ($encodedCharPos == 0) ? $maxLength :
		  $maxLength - ($lookBack - $encodedCharPos);
		  $foundSplitPos = true;
		} elseif ($dec >= 192) { // First byte of a multi byte character
		  // Reduce maxLength to split at start of character
		  $maxLength = $maxLength - ($lookBack - $encodedCharPos);
		  $foundSplitPos = true;
		} elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
		  $lookBack += 3;
		}
	  } else {
		// No encoded character found
		$foundSplitPos = true;
	  }
	}
	return $maxLength;
  }

  /**
   * Set the body wrapping.
   * @access private
   * @return void
   */
  function SetWordWrap() {
	if($this->WordWrap < 1) {
	  return;
	}

	switch($this->message_type) {
	  case 'alt':
		/* fall through */
	  case 'alt_attachments':
		$this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
		break;
	  default:
		$this->Body = $this->WrapText($this->Body, $this->WordWrap);
		break;
	}
  }

  /**
   * Assembles message header.
   * @access private
   * @return string
   */
  function CreateHeader() {
	$result = '';

	/* Set the boundaries */
	$uniq_id = md5(uniqid(time()));
	$this->boundary[1] = 'b1_' . $uniq_id;
	$this->boundary[2] = 'b2_' . $uniq_id;

	$result .= $this->HeaderLine('Date', $this->RFCDate());
	if($this->Sender == '') {
	  $result .= $this->HeaderLine('Return-Path', trim($this->From));
	} else {
	  $result .= $this->HeaderLine('Return-Path', trim($this->Sender));
	}

	/* To be created automatically by mail() */
	if($this->Mailer != 'mail') {
	  if(count($this->to) > 0) {
		$result .= $this->AddrAppend('To', $this->to);
	  } elseif (count($this->cc) == 0) {
		$result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
	  }
	}

	$from = array();
	$from[0][0] = trim($this->From);
	$from[0][1] = $this->FromName;
	$result .= $this->AddrAppend('From', $from);

	/* sendmail and mail() extract Cc from the header before sending */
	if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->cc) > 0)) {
	  $result .= $this->AddrAppend('Cc', $this->cc);
	}

	/* sendmail and mail() extract Bcc from the header before sending */
	if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->bcc) > 0)) {
	  $result .= $this->AddrAppend('Bcc', $this->bcc);
	}

	if(count($this->ReplyTo) > 0) {
	  $result .= $this->AddrAppend('Reply-To', $this->ReplyTo);
	}

	/* mail() sets the subject itself */
	if($this->Mailer != 'mail') {
	  $result .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader($this->Subject)));
	}

	if($this->MessageID != '') {
	  $result .= $this->HeaderLine('Message-ID',$this->MessageID);
	} else {
	  $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
	}
	$result .= $this->HeaderLine('X-Priority', $this->Priority);
	$result .= $this->HeaderLine('X-Mailer', 'PHPMailer (phpmailer.sourceforge.net) [version ' . $this->Version . ']');

	if($this->ConfirmReadingTo != '') {
	  $result .= $this->HeaderLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
	}

	// Add custom headers
	for($index = 0; $index < count($this->CustomHeader); $index++) {
	  $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]), $this->EncodeHeader(trim($this->CustomHeader[$index][1])));
	}
	if (!$this->sign_key_file) {
	  $result .= $this->HeaderLine('MIME-Version', '1.0');
	  $result .= $this->GetMailMIME();
	}

	return $result;
  }

  /**
   * Returns the message MIME.
   * @access private
   * @return string
   */
  function GetMailMIME() {
	$result = '';
	switch($this->message_type) {
	  case 'plain':
		$result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);
		$result .= sprintf("Content-Type: %s; charset=\"%s\"", $this->ContentType, $this->CharSet);
		break;
	  case 'attachments':
		/* fall through */
	  case 'alt_attachments':
		if($this->InlineImageExists()){
		  $result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s", 'multipart/related', $this->LE, $this->LE, $this->boundary[1], $this->LE);
		} else {
		  $result .= $this->HeaderLine('Content-Type', 'multipart/mixed;');
		  $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
		}
		break;
	  case 'alt':
		$result .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
		$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
		break;
	}

	if($this->Mailer != 'mail') {
	  $result .= $this->LE.$this->LE;
	}

	return $result;
  }

  /**
   * Assembles the message body.  Returns an empty string on failure.
   * @access private
   * @return string
   */
  function CreateBody() {
	$result = '';
	if ($this->sign_key_file) {
	  $result .= $this->GetMailMIME();
	}

	$this->SetWordWrap();

	switch($this->message_type) {
	  case 'alt':
		$result .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
		$result .= $this->EncodeString($this->AltBody, $this->Encoding);
		$result .= $this->LE.$this->LE;
		$result .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');
		$result .= $this->EncodeString($this->Body, $this->Encoding);
		$result .= $this->LE.$this->LE;
		$result .= $this->EndBoundary($this->boundary[1]);
		break;
	  case 'plain':
		$result .= $this->EncodeString($this->Body, $this->Encoding);
		break;
	  case 'attachments':
		$result .= $this->GetBoundary($this->boundary[1], '', '', '');
		$result .= $this->EncodeString($this->Body, $this->Encoding);
		$result .= $this->LE;
		$result .= $this->AttachAll();
		break;
	  case 'alt_attachments':
		$result .= sprintf("--%s%s", $this->boundary[1], $this->LE);
		$result .= sprintf("Content-Type: %s;%s" . "\tboundary=\"%s\"%s", 'multipart/alternative', $this->LE, $this->boundary[2], $this->LE.$this->LE);
		$result .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '') . $this->LE; // Create text body
		$result .= $this->EncodeString($this->AltBody, $this->Encoding);
		$result .= $this->LE.$this->LE;
		$result .= $this->GetBoundary($this->boundary[2], '', 'text/html', '') . $this->LE; // Create the HTML body
		$result .= $this->EncodeString($this->Body, $this->Encoding);
		$result .= $this->LE.$this->LE;
		$result .= $this->EndBoundary($this->boundary[2]);
		$result .= $this->AttachAll();
		break;
	}

	if($this->IsError()) {
	  $result = '';
	} else if ($this->sign_key_file) {
	  $file = tempnam("", "mail");
	  $fp = fopen($file, "w");
	  fwrite($fp, $result);
	  fclose($fp);
	  $signed = tempnam("", "signed");

	  if (@openssl_pkcs7_sign($file, $signed, "file://".$this->sign_cert_file, array("file://".$this->sign_key_file, $this->sign_key_pass), null)) {
		$fp = fopen($signed, "r");
		$result = fread($fp, filesize($this->sign_key_file));
		$result = '';
		while(!feof($fp)){
		  $result = $result . fread($fp, 1024);
		}
		fclose($fp);
	  } else {
		$this->SetError($this->Lang("signing").openssl_error_string());
		$result = '';
	  }

	  unlink($file);
	  unlink($signed);
	}

	return $result;
  }

  /**
   * Returns the start of a message boundary.
   * @access private
   */
  function GetBoundary($boundary, $charSet, $contentType, $encoding) {
	$result = '';
	if($charSet == '') {
	  $charSet = $this->CharSet;
	}
	if($contentType == '') {
	  $contentType = $this->ContentType;
	}
	if($encoding == '') {
	  $encoding = $this->Encoding;
	}
	$result .= $this->TextLine('--' . $boundary);
	$result .= sprintf("Content-Type: %s; charset = \"%s\"", $contentType, $charSet);
	$result .= $this->LE;
	$result .= $this->HeaderLine('Content-Transfer-Encoding', $encoding);
	$result .= $this->LE;

	return $result;
  }

  /**
   * Returns the end of a message boundary.
   * @access private
   */
  function EndBoundary($boundary) {
	return $this->LE . '--' . $boundary . '--' . $this->LE;
  }

  /**
   * Sets the message type.
   * @access private
   * @return void
   */
  function SetMessageType() {
	if(count($this->attachment) < 1 && strlen($this->AltBody) < 1) {
	  $this->message_type = 'plain';
	} else {
	  if(count($this->attachment) > 0) {
		$this->message_type = 'attachments';
	  }
	  if(strlen($this->AltBody) > 0 && count($this->attachment) < 1) {
		$this->message_type = 'alt';
	  }
	  if(strlen($this->AltBody) > 0 && count($this->attachment) > 0) {
		$this->message_type = 'alt_attachments';
	  }
	}
  }

  /* Returns a formatted header line.
   * @access private
   * @return string
   */
  function HeaderLine($name, $value) {
	return $name . ': ' . $value . $this->LE;
  }

  /**
   * Returns a formatted mail line.
   * @access private
   * @return string
   */
  function TextLine($value) {
	return $value . $this->LE;
  }

  /////////////////////////////////////////////////
  // CLASS METHODS, ATTACHMENTS
  /////////////////////////////////////////////////

  /**
   * Adds an attachment from a path on the filesystem.
   * Returns false if the file could not be found
   * or accessed.
   * @param string $path Path to the attachment.
   * @param string $name Overrides the attachment name.
   * @param string $encoding File encoding (see $Encoding).
   * @param string $type File extension (MIME) type.
   * @return bool
   */
  function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
	if(!@is_file($path)) {
	  $this->SetError($this->Lang('file_access') . $path);
	  return false;
	}

	$filename = basename($path);
	if($name == '') {
	  $name = $filename;
	}

	$cur = count($this->attachment);
	$this->attachment[$cur][0] = $path;
	$this->attachment[$cur][1] = $filename;
	$this->attachment[$cur][2] = $name;
	$this->attachment[$cur][3] = $encoding;
	$this->attachment[$cur][4] = $type;
	$this->attachment[$cur][5] = false; // isStringAttachment
	$this->attachment[$cur][6] = 'attachment';
	$this->attachment[$cur][7] = 0;

	return true;
  }

  /**
   * Attaches all fs, string, and binary attachments to the message.
   * Returns an empty string on failure.
   * @access private
   * @return string
   */
  function AttachAll() {
	/* Return text of body */
	$mime = array();

	/* Add all attachments */
	for($i = 0; $i < count($this->attachment); $i++) {
	  /* Check for string attachment */
	  $bString = $this->attachment[$i][5];
	  if ($bString) {
		$string = $this->attachment[$i][0];
	  } else {
		$path = $this->attachment[$i][0];
	  }

	  $filename	= $this->attachment[$i][1];
	  $name		= $this->attachment[$i][2];
	  $encoding	= $this->attachment[$i][3];
	  $type		= $this->attachment[$i][4];
	  $disposition = $this->attachment[$i][6];
	  $cid		 = $this->attachment[$i][7];

	  $mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);
	  $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($name)), $this->LE);
	  $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);

	  if($disposition == 'inline') {
		$mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);
	  }

	  $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $this->EncodeHeader($this->SecureHeader($name)), $this->LE.$this->LE);

	  /* Encode as string attachment */
	  if($bString) {
		$mime[] = $this->EncodeString($string, $encoding);
		if($this->IsError()) {
		  return '';
		}
		$mime[] = $this->LE.$this->LE;
	  } else {
		$mime[] = $this->EncodeFile($path, $encoding);
		if($this->IsError()) {
		  return '';
		}
		$mime[] = $this->LE.$this->LE;
	  }
	}

	$mime[] = sprintf("--%s--%s", $this->boundary[1], $this->LE);

	return join('', $mime);
  }

  /**
   * Encodes attachment in requested format.  Returns an
   * empty string on failure.
   * @access private
   * @return string
   */
  function EncodeFile ($path, $encoding = 'base64') {
	if(!@$fd = fopen($path, 'rb')) {
	  $this->SetError($this->Lang('file_open') . $path);
	  return '';
	}
	$magic_quotes = get_magic_quotes_runtime();
	set_magic_quotes_runtime(0);
	$file_buffer = fread($fd, filesize($path));
	$file_buffer = $this->EncodeString($file_buffer, $encoding);
	fclose($fd);
	set_magic_quotes_runtime($magic_quotes);

	return $file_buffer;
  }

  /**
   * Encodes string to requested format. Returns an
   * empty string on failure.
   * @access private
   * @return string
   */
  function EncodeString ($str, $encoding = 'base64') {
	$encoded = '';
	switch(strtolower($encoding)) {
	  case 'base64':
		/* chunk_split is found in PHP >= 3.0.6 */
		$encoded = chunk_split(base64_encode($str), 76, $this->LE);
		break;
	  case '7bit':
	  case '8bit':
		$encoded = $this->FixEOL($str);
		if (substr($encoded, -(strlen($this->LE))) != $this->LE)
		  $encoded .= $this->LE;
		break;
	  case 'binary':
		$encoded = $str;
		break;
	  case 'quoted-printable':
		$encoded = $this->EncodeQP($str);
		break;
	  default:
		$this->SetError($this->Lang('encoding') . $encoding);
		break;
	}
	return $encoded;
  }

  /**
   * Encode a header string to best of Q, B, quoted or none.
   * @access private
   * @return string
   */
  function EncodeHeader ($str, $position = 'text') {
	$x = 0;

	switch (strtolower($position)) {
	  case 'phrase':
		if (!preg_match('/[\200-\377]/', $str)) {
		  /* Can't use addslashes as we don't know what value has magic_quotes_sybase. */
		  $encoded = addcslashes($str, "\0..\37\177\\\"");
		  if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
			return ($encoded);
		  } else {
			return ("\"$encoded\"");
		  }
		}
		$x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
		break;
	  case 'comment':
		$x = preg_match_all('/[()"]/', $str, $matches);
		/* Fall-through */
	  case 'text':
	  default:
		$x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
		break;
	}

	if ($x == 0) {
	  return ($str);
	}

	$maxlen = 75 - 7 - strlen($this->CharSet);
	/* Try to select the encoding which should produce the shortest output */
	if (strlen($str)/3 < $x) {
	  $encoding = 'B';
	  if (function_exists('mb_strlen') && $this->HasMultiBytes($str)) {
	 // Use a custom function which correctly encodes and wraps long
	 // multibyte strings without breaking lines within a character
		$encoded = $this->Base64EncodeWrapMB($str);
	  } else {
		$encoded = base64_encode($str);
		$maxlen -= $maxlen % 4;
		$encoded = trim(chunk_split($encoded, $maxlen, "\n"));
	  }
	} else {
	  $encoding = 'Q';
	  $encoded = $this->EncodeQ($str, $position);
	  $encoded = $this->WrapText($encoded, $maxlen, true);
	  $encoded = str_replace('='.$this->LE, "\n", trim($encoded));
	}

	$encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);
	$encoded = trim(str_replace("\n", $this->LE, $encoded));

	return $encoded;
  }

  /**
   * Checks if a string contains multibyte characters.
   * @access private
   * @param string $str multi-byte text to wrap encode
   * @return bool
   */
  function HasMultiBytes($str) {
	if (function_exists('mb_strlen')) {
	  return (strlen($str) > mb_strlen($str, $this->CharSet));
	} else { // Assume no multibytes (we can't handle without mbstring functions anyway)
	  return False;
	}
  }

  /**
   * Correctly encodes and wraps long multibyte strings for mail headers
   * without breaking lines within a character.
   * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php
   * @access private
   * @param string $str multi-byte text to wrap encode
   * @return string
   */
  function Base64EncodeWrapMB($str) {
	$start = "=?".$this->CharSet."?B?";
	$end = "?=";
	$encoded = "";

	$mb_length = mb_strlen($str, $this->CharSet);
	// Each line must have length <= 75, including $start and $end
	$length = 75 - strlen($start) - strlen($end);
	// Average multi-byte ratio
	$ratio = $mb_length / strlen($str);
	// Base64 has a 4:3 ratio
	$offset = $avgLength = floor($length * $ratio * .75);

	for ($i = 0; $i < $mb_length; $i += $offset) {
	  $lookBack = 0;

	  do {
		$offset = $avgLength - $lookBack;
		$chunk = mb_substr($str, $i, $offset, $this->CharSet);
		$chunk = base64_encode($chunk);
		$lookBack++;
	  }
	  while (strlen($chunk) > $length);

	  $encoded .= $chunk . $this->LE;
	}

	// Chomp the last linefeed
	$encoded = substr($encoded, 0, -strlen($this->LE));
	return $encoded;
  }

  /**
   * Encode string to quoted-printable.
   * @access private
   * @return string
   */
  function EncodeQP( $input = '', $line_max = 76, $space_conv = false ) {
	$hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
	$lines = preg_split('/(?:\r\n|\r|\n)/', $input);
	$eol = "\r\n";
	$escape = '=';
	$output = '';
	while( list(, $line) = each($lines) ) {
	  $linlen = strlen($line);
	  $newline = '';
	  for($i = 0; $i < $linlen; $i++) {
		$c = substr( $line, $i, 1 );
		$dec = ord( $c );
		if ( ( $i == 0 ) && ( $dec == 46 ) ) { // convert first point in the line into =2E
		  $c = '=2E';
		}
		if ( $dec == 32 ) {
		  if ( $i == ( $linlen - 1 ) ) { // convert space at eol only
			$c = '=20';
		  } else if ( $space_conv ) {
			$c = '=20';
		  }
		} elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
		  $h2 = floor($dec/16);
		  $h1 = floor($dec%16);
		  $c = $escape.$hex[$h2].$hex[$h1];
		}
		if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
		  $output .= $newline.$escape.$eol; //  soft line break; " =\r\n" is okay
		  $newline = '';
		  // check if newline first character will be point or not
		  if ( $dec == 46 ) {
			$c = '=2E';
		  }
		}
		$newline .= $c;
	  } // end of for
	  $output .= $newline.$eol;
	} // end of while
	return $output;
  }

  /**
   * Encode string to q encoding.
   * @access private
   * @return string
   */
  function EncodeQ ($str, $position = 'text') {
	/* There should not be any EOL in the string */
	$encoded = preg_replace("[\r\n]", '', $str);

	switch (strtolower($position)) {
	  case 'phrase':
		$encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
		break;
	  case 'comment':
		$encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
	  case 'text':
	  default:
		/* Replace every high ascii, control =, ? and _ characters */
		$encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e',
			  "'='.sprintf('%02X', ord('\\1'))", $encoded);
		break;
	}

	/* Replace every spaces to _ (more readable than =20) */
	$encoded = str_replace(' ', '_', $encoded);

	return $encoded;
  }

  /**
   * Adds a string or binary attachment (non-filesystem) to the list.
   * This method can be used to attach ascii or binary data,
   * such as a BLOB record from a database.
   * @param string $string String attachment data.
   * @param string $filename Name of the attachment.
   * @param string $encoding File encoding (see $Encoding).
   * @param string $type File extension (MIME) type.
   * @return void
   */
  function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream') {
	/* Append to $attachment array */
	$cur = count($this->attachment);
	$this->attachment[$cur][0] = $string;
	$this->attachment[$cur][1] = $filename;
	$this->attachment[$cur][2] = $filename;
	$this->attachment[$cur][3] = $encoding;
	$this->attachment[$cur][4] = $type;
	$this->attachment[$cur][5] = true; // isString
	$this->attachment[$cur][6] = 'attachment';
	$this->attachment[$cur][7] = 0;
  }

  /**
   * Adds an embedded attachment.  This can include images, sounds, and
   * just about any other document.  Make sure to set the $type to an
   * image type.  For JPEG images use "image/jpeg" and for GIF images
   * use "image/gif".
   * @param string $path Path to the attachment.
   * @param string $cid Content ID of the attachment.  Use this to identify
   *		the Id for accessing the image in an HTML form.
   * @param string $name Overrides the attachment name.
   * @param string $encoding File encoding (see $Encoding).
   * @param string $type File extension (MIME) type.
   * @return bool
   */
  function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {

	if(!@is_file($path)) {
	  $this->SetError($this->Lang('file_access') . $path);
	  return false;
	}

	$filename = basename($path);
	if($name == '') {
	  $name = $filename;
	}

	/* Append to $attachment array */
	$cur = count($this->attachment);
	$this->attachment[$cur][0] = $path;
	$this->attachment[$cur][1] = $filename;
	$this->attachment[$cur][2] = $name;
	$this->attachment[$cur][3] = $encoding;
	$this->attachment[$cur][4] = $type;
	$this->attachment[$cur][5] = false;
	$this->attachment[$cur][6] = 'inline';
	$this->attachment[$cur][7] = $cid;

	return true;
  }

  /**
   * Returns true if an inline attachment is present.
   * @access private
   * @return bool
   */
  function InlineImageExists() {
	$result = false;
	for($i = 0; $i < count($this->attachment); $i++) {
	  if($this->attachment[$i][6] == 'inline') {
		$result = true;
		break;
	  }
	}

	return $result;
  }

  /////////////////////////////////////////////////
  // CLASS METHODS, MESSAGE RESET
  /////////////////////////////////////////////////

  /**
   * Clears all recipients assigned in the TO array.  Returns void.
   * @return void
   */
  function ClearAddresses() {
	$this->to = array();
  }

  /**
   * Clears all recipients assigned in the CC array.  Returns void.
   * @return void
   */
  function ClearCCs() {
	$this->cc = array();
  }

  /**
   * Clears all recipients assigned in the BCC array.  Returns void.
   * @return void
   */
  function ClearBCCs() {
	$this->bcc = array();
  }

  /**
   * Clears all recipients assigned in the ReplyTo array.  Returns void.
   * @return void
   */
  function ClearReplyTos() {
	$this->ReplyTo = array();
  }

  /**
   * Clears all recipients assigned in the TO, CC and BCC
   * array.  Returns void.
   * @return void
   */
  function ClearAllRecipients() {
	$this->to = array();
	$this->cc = array();
	$this->bcc = array();
  }

  /**
   * Clears all previously set filesystem, string, and binary
   * attachments.  Returns void.
   * @return void
   */
  function ClearAttachments() {
	$this->attachment = array();
  }

  /**
   * Clears all custom headers.  Returns void.
   * @return void
   */
  function ClearCustomHeaders() {
	$this->CustomHeader = array();
  }

  /////////////////////////////////////////////////
  // CLASS METHODS, MISCELLANEOUS
  /////////////////////////////////////////////////

  /**
   * Adds the error message to the error container.
   * Returns void.
   * @access private
   * @return void
   */
  function SetError($msg) {
	$this->error_count++;
	$this->ErrorInfo = $msg;
  }

  /**
   * Returns the proper RFC 822 formatted date.
   * @access private
   * @return string
   */
  function RFCDate() {
	$tz = date('Z');
	$tzs = ($tz < 0) ? '-' : '+';
	$tz = abs($tz);
	$tz = (int)($tz/3600)*100 + ($tz%3600)/60;
	$result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);

	return $result;
  }

  /**
   * Returns the appropriate server variable.  Should work with both
   * PHP 4.1.0+ as well as older versions.  Returns an empty string
   * if nothing is found.
   * @access private
   * @return mixed
   */
  function ServerVar($varName) {
	global $HTTP_SERVER_VARS;
	global $HTTP_ENV_VARS;

	if(!isset($_SERVER)) {
	  $_SERVER = $HTTP_SERVER_VARS;
	  if(!isset($_SERVER['REMOTE_ADDR'])) {
		$_SERVER = $HTTP_ENV_VARS; // must be Apache
	  }
	}

	if(isset($_SERVER[$varName])) {
	  return $_SERVER[$varName];
	} else {
	  return '';
	}
  }

  /**
   * Returns the server hostname or 'localhost.localdomain' if unknown.
   * @access private
   * @return string
   */
  function ServerHostname() {
	if ($this->Hostname != '') {
	  $result = $this->Hostname;
	} elseif ($this->ServerVar('SERVER_NAME') != '') {
	  $result = $this->ServerVar('SERVER_NAME');
	} else {
	  $result = 'localhost.localdomain';
	}

	return $result;
  }

  /**
   * Returns a message in the appropriate language.
   * @access private
   * @return string
   */
  function Lang($key) {
	if(count($this->language) < 1) {
	  $this->SetLanguage('en'); // set the default language
	}

	if(isset($this->language[$key])) {
	  return $this->language[$key];
	} else {
	  return 'Language string failed to load: ' . $key;
	}
  }

  /**
   * Returns true if an error occurred.
   * @return bool
   */
  function IsError() {
	return ($this->error_count > 0);
  }

  /**
   * Changes every end of line from CR or LF to CRLF.
   * @access private
   * @return string
   */
  function FixEOL($str) {
	$str = str_replace("\r\n", "\n", $str);
	$str = str_replace("\r", "\n", $str);
	$str = str_replace("\n", $this->LE, $str);
	return $str;
  }

  /**
   * Adds a custom header.
   * @return void
   */
  function AddCustomHeader($custom_header) {
	$this->CustomHeader[] = explode(':', $custom_header, 2);
  }

  /**
   * Evaluates the message and returns modifications for inline images and backgrounds
   * @access public
   * @return $message
   */
  function MsgHTML($message,$basedir='') {
	preg_match_all("/(src|background)=\"(.*)\"/Ui", $message, $images);
	if(isset($images[2])) {
	  foreach($images[2] as $i => $url) {
		// do not change urls for absolute images (thanks to corvuscorax)
		if (!preg_match('/^[A-z][A-z]*:\/\//',$url)) {
		  $filename = basename($url);
		  $directory = dirname($url);
		  ($directory == '.')?$directory='':'';
		  $cid = 'cid:' . md5($filename);
		  $fileParts = split("\.", $filename);
		  $ext = $fileParts[1];
		  $mimeType = $this->_mime_types($ext);
		  if ( strlen($basedir) > 1 && substr($basedir,-1) != '/') { $basedir .= '/'; }
		  if ( strlen($directory) > 1 && substr($directory,-1) != '/') { $directory .= '/'; }
		  if ( $this->AddEmbeddedImage($basedir.$directory.$filename, md5($filename), $filename, 'base64',$mimeType) ) {
			$message = preg_replace("/".$images[1][$i]."=\"".preg_quote($url, '/')."\"/Ui", $images[1][$i]."=\"".$cid."\"", $message);
		  }
		}
	  }
	}
	$this->IsHTML(true);
	$this->Body = $message;
	$textMsg = trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s','',$message)));
	if ( !empty($textMsg) && empty($this->AltBody) ) {
	  $this->AltBody = html_entity_decode($textMsg);
	}
	if ( empty($this->AltBody) ) {
	  $this->AltBody = 'To view this email message, open the email in with HTML compatibility!' . "\n\n";
	}
  }

  /**
   * Gets the mime type of the embedded or inline image
   * @access private
   * @return mime type of ext
   */
  function _mime_types($ext = '') {
	$mimes = array(
	  'ai'	=>  'application/postscript',
	  'aif'   =>  'audio/x-aiff',
	  'aifc'  =>  'audio/x-aiff',
	  'aiff'  =>  'audio/x-aiff',
	  'avi'   =>  'video/x-msvideo',
	  'bin'   =>  'application/macbinary',
	  'bmp'   =>  'image/bmp',
	  'class' =>  'application/octet-stream',
	  'cpt'   =>  'application/mac-compactpro',
	  'css'   =>  'text/css',
	  'dcr'   =>  'application/x-director',
	  'dir'   =>  'application/x-director',
	  'dll'   =>  'application/octet-stream',
	  'dms'   =>  'application/octet-stream',
	  'doc'   =>  'application/msword',
	  'dvi'   =>  'application/x-dvi',
	  'dxr'   =>  'application/x-director',
	  'eml'   =>  'message/rfc822',
	  'eps'   =>  'application/postscript',
	  'exe'   =>  'application/octet-stream',
	  'gif'   =>  'image/gif',
	  'gtar'  =>  'application/x-gtar',
	  'htm'   =>  'text/html',
	  'html'  =>  'text/html',
	  'jpe'   =>  'image/jpeg',
	  'jpeg'  =>  'image/jpeg',
	  'jpg'   =>  'image/jpeg',
	  'hqx'   =>  'application/mac-binhex40',
	  'js'	=>  'application/x-javascript',
	  'lha'   =>  'application/octet-stream',
	  'log'   =>  'text/plain',
	  'lzh'   =>  'application/octet-stream',
	  'mid'   =>  'audio/midi',
	  'midi'  =>  'audio/midi',
	  'mif'   =>  'application/vnd.mif',
	  'mov'   =>  'video/quicktime',
	  'movie' =>  'video/x-sgi-movie',
	  'mp2'   =>  'audio/mpeg',
	  'mp3'   =>  'audio/mpeg',
	  'mpe'   =>  'video/mpeg',
	  'mpeg'  =>  'video/mpeg',
	  'mpg'   =>  'video/mpeg',
	  'mpga'  =>  'audio/mpeg',
	  'oda'   =>  'application/oda',
	  'pdf'   =>  'application/pdf',
	  'php'   =>  'application/x-httpd-php',
	  'php3'  =>  'application/x-httpd-php',
	  'php4'  =>  'application/x-httpd-php',
	  'phps'  =>  'application/x-httpd-php-source',
	  'phtml' =>  'application/x-httpd-php',
	  'png'   =>  'image/png',
	  'ppt'   =>  'application/vnd.ms-powerpoint',
	  'ps'	=>  'application/postscript',
	  'psd'   =>  'application/octet-stream',
	  'qt'	=>  'video/quicktime',
	  'ra'	=>  'audio/x-realaudio',
	  'ram'   =>  'audio/x-pn-realaudio',
	  'rm'	=>  'audio/x-pn-realaudio',
	  'rpm'   =>  'audio/x-pn-realaudio-plugin',
	  'rtf'   =>  'text/rtf',
	  'rtx'   =>  'text/richtext',
	  'rv'	=>  'video/vnd.rn-realvideo',
	  'sea'   =>  'application/octet-stream',
	  'shtml' =>  'text/html',
	  'sit'   =>  'application/x-stuffit',
	  'so'	=>  'application/octet-stream',
	  'smi'   =>  'application/smil',
	  'smil'  =>  'application/smil',
	  'swf'   =>  'application/x-shockwave-flash',
	  'tar'   =>  'application/x-tar',
	  'text'  =>  'text/plain',
	  'txt'   =>  'text/plain',
	  'tgz'   =>  'application/x-tar',
	  'tif'   =>  'image/tiff',
	  'tiff'  =>  'image/tiff',
	  'wav'   =>  'audio/x-wav',
	  'wbxml' =>  'application/vnd.wap.wbxml',
	  'wmlc'  =>  'application/vnd.wap.wmlc',
	  'word'  =>  'application/msword',
	  'xht'   =>  'application/xhtml+xml',
	  'xhtml' =>  'application/xhtml+xml',
	  'xl'	=>  'application/excel',
	  'xls'   =>  'application/vnd.ms-excel',
	  'xml'   =>  'text/xml',
	  'xsl'   =>  'text/xml',
	  'zip'   =>  'application/zip'
	);
	return ( ! isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
  }

  /**
   * Set (or reset) Class Objects (variables)
   *
   * Usage Example:
   * $page->set('X-Priority', '3');
   *
   * @access public
   * @param string $name Parameter Name
   * @param mixed $value Parameter Value
   * NOTE: will not work with arrays, there are no arrays to set/reset
   */
  function set ( $name, $value = '' ) {
	if ( isset($this->$name) ) {
	  $this->$name = $value;
	} else {
	  $this->SetError('Cannot set or reset variable ' . $name);
	  return false;
	}
  }

  /**
   * Read a file from a supplied filename and return it.
   *
   * @access public
   * @param string $filename Parameter File Name
   */
  function getFile($filename) {
	$return = '';
	if ($fp = fopen($filename, 'rb')) {
	  while (!feof($fp)) {
		$return .= fread($fp, 1024);
	  }
	  fclose($fp);
	  return $return;
	} else {
	  return false;
	}
  }

  /**
   * Strips newlines to prevent header injection.
   * @access private
   * @param string $str String
   * @return string
   */
  function SecureHeader($str) {
	$str = trim($str);
	$str = str_replace("\r", "", $str);
	$str = str_replace("\n", "", $str);
	return $str;
  }

  /**
   * Set the private key file and password to sign the message.
   *
   * @access public
   * @param string $key_filename Parameter File Name
   * @param string $key_pass Password for private key
   */
  function Sign($cert_filename, $key_filename, $key_pass) {
	$this->sign_cert_file = $cert_filename;
	$this->sign_key_file = $key_filename;
	$this->sign_key_pass = $key_pass;
  }

}

?>
